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Home >> Toyota >> 2003 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 768 (Brakes - Abs With EBD & BA & TRAC & VSC (Diagnostics)) >> DTC C0226/21, C0236/22, C0246/23, C0256/24, C1225/25, C1226/26, C1227/27, C1228/28: Open Or Short Circuit In Hydraulic Brake Booster Solenoid Circuit (SFR/SFL/SRR/SRL Circuit) & Open Or Short In Hydraulic Brake Booster Solenoid Circuit (SMC/SPC(SA1/SA2/SA3) Circuit) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When replacing the master cylinder solenoid, perform zero point CALIBRATION  .
  1. RECONFIRM DTC 

    HINT:

    These codes are detected when a problem is determined in the master cylinder solenoid.

    The solenoid circuit is in the master cylinder solenoid.

    Therefore, solenoid circuit inspection and solenoid unit inspection cannot be performed. Be sure to check if any DTC is output before replacing the master cylinder solenoid.

    1. Clear the DTCs (see DTC CHECK/CLEAR  ).
    2. Check if the same DTCs are detected (see DTC CHECK/CLEAR  ).

      Result: 

      RESULT DESCRIPTION

      DTC is output A
      DTC is not output B
    1. B: END 
    2. A: GO TO NEXT STEP 

      REPLACE MASTER CYLINDER SOLENOID (SEE  OVERHAUL  )